The correct options are
A Kerala
C Maharashtra
The Mahajan Commission conducted multiple surveys in disputed areas associated with all neighbouring states of Karnataka and prepared a report. This included Kasargod of Kerala; Alur, Adavani, Madakashira, and Rayadurga taluks of Andhra Pradesh; Hosur and Talavadi of Tamil Nadu; and Chandagadh, Sollapur, Jatha, and Akkalakote of Maharashtra.